Angewandte Chemie International Edition

Cover image for Vol. 56 Issue 14

Editor: Peter Gölitz, Deputy Editors: Neville Compton, Haymo Ross

Online ISSN: 1521-3773

Associated Title(s): Angewandte Chemie, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemistryOpen, ChemPhotoChem, ChemPlusChem, Zeitschrift für Chemie

45_09/2006Cover Picture: Asymmetric Intramolecular Crossed-Benzoin Reactions by N-Heterocyclic Carbene Catalysis (Angew. Chem. Int. Ed. 9/2006)

Enantioselective intramolecular crossed-benzoin reactions can be effected by using chiral N-heterocyclic carbene catalysts. The tetracyclic chiral carbene catalyst shown in the cover picture enables the reaction to proceed with formation of only one enantiomer of the α-hydroxy-substituted tetralones. D. Enders and co-workers disclose the development of the quaternary stereocenters in the organocatalytic reaction in their Communication on page 1463 ff.

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Also of Interest

DNA Structuresfor001

The local conformation in DNA governs the abstraction of hydrogen through uracil-5-yl radicals. How this principle is used to analyze DNA structures is shown by H. Sugiyama and Y. Xu in their Minireview on page 1354 ff.


Macrocyclesfor002

In their Review on page 1364 ff., S. E. Gibson and C. Lecci take a closer look at amino acid derived macrocycles. How advanced is their synthesis? What are the applications of these compounds?


Liquid Crystalsfor003

The photoresponsive behavior of liquid-crystalline elastomer films with different types of mesogen alignment is discussed by T. Ikeda and co-workers in their Communication on page 1378 ff.


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